The Arctic tundra is warming up and that's causing long-frozen ground to melt as well as an increase in wildfires. The region is "now emitting more carbon that it stores, which will worsen climate ...

Science Arctic Tundra Shifts to Source of Climate Pollution, According to New Report Card NOAA scientists and affiliated researchers have documented profound change in the frozen north as U.S ...

The news that the frigid Arctic tundra ringing the polar region has switched from being a net absorber, or "sink," of planet-warming greenhouse gases to a net emitter, or "source," indicates the ...

The Arctic permafrost region as a whole — which encompasses tundra and forests — has become carbon neutral over the past 20 years, meaning it’s neither absorbing nor releasing excess CO2 ...

The Arctic tundra has historically helped reduce global emissions. But rising temperatures and wildfires in the region are changing that, scientists say.

In fact, the tundra may be the environment most threatened by climate change on the planet, according to paleobotanist Jennifer McElwain of Trinity College Dublin, author of an article about plant ...

The frigid Arctic tundra has soaked up carbon dioxide from the atmosphere for millennia, an essential balancer for our planet’s climate. Now, it appears to be emitting more heat-trapping gasses ...

Behold the tundra biome. Characterized by extremely cold temperatures and treeless, frozen landscapes, the species here are marvels at adapting to the harsh climate.

Bullish - Video. Arctic Tundra: Biomes, Climate, and Wildlife. Posted: April 26, 2025 | Last updated: April 26, 2025. Provides an introduction to Earth's biomes, explaining how they are ...

Tundra fires are still relatively rare but are expected to increase due to warming temperatures and more lightning activity. Some projections indicate that wildfires in the Yukon-Kuskokwim Delta ...

Ecologist Isla Myers-Smith researches how tundra plants respond to climate change and what it means for future ecosystems. While she's mostly worked in the Canadian Arctic, for the last two years ...